body {
  display: block;
  font-size: 12em;
  color: #333;
}

.module {
  display: inline;
  font-size: 10px;
}

/* some comments */
.box {
  $size: 100px;

  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 999;
  box-sizing: border-box;
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: $size;
  height: $size;
  padding: 10px;
  margin: 10px;
  overflow: hidden;
  font-size: 16px;
  color: #fff;
  pointer-events: all;
  cursor: pointer;
  user-select: none;
  background-color: tomato;
  border: 1px solid #ccc;
  opacity: 0.75;
  transform: translate(-50%, -50%);

  &::after {
    display: block;
    width: 50px;
    height: 50px;
    content: '';
  }
}

@mixin textOverflow($line: 2) {
  display: box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: $line;
  overflow: hidden;
}

@mixin textClip() {
  color: #6b9bda;
  background-image: linear-gradient(to bottom, #e2f5ff, #6fb1d3, #bde8ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
